It’s very difficult to learn English well , but you can’t___.
| A．put it up | B．take it up |
| C． look it up | D．give it up |
He knows _________ about computer than me.
A. much B. more C. most
Mary didn’t go to John’s birthday party because she ________.
A. wasn’t invited B. didn’t invite C. isn’t invited
Tony wants _______a job as a language teacher in China.
A. to find B. finding C. find
—Do you know ________ she went to the movie last night?
—On foot.
A. when B. why C. how
—Let’s go dancing tonight.!
—Sorry, I ________.I have to go to my guitar lesson.
A. mustn’t B. needn’tC. can’t